<li id="left_menu_manage_task_tree" class="nav-item has-treeview left_menu_tree_open">
    <a id="left_menu_manage_task" href="#" class="nav-link left_menu_button_active">
        <i class="nav-icon fas fa-book"></i>
        <p>管理任务<i class="fas fa-angle-left right"></i></p>
    </a>
    <ul class="nav nav-treeview">
        <li class="nav-item">
            <a id="left_menu_manage_academyTask" onclick="loadManageAcademyTask()" href="javascript:void(0)"
                class="nav-link left_menu_button_active">
                <i class="far fa-circle nav-icon"></i>
                <p>学院任务</p>
            </a>
            <a id="left_menu_manage_classTask" onclick="loadManageClazzTask()" href="javascript:void(0)"
                class="nav-link left_menu_button_active">
                <i class="far fa-circle nav-icon"></i>
                <p>班级任务</p>
            </a>
        </li>
    </ul>
</li>